Finding the Fourth Proportional to 829,781.98, 1,244,157.50 and 349,762.82
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Solution
The fourth proportional to 829,781.98, 1,244,157.50 and 349,762.82 is: 524,426.95
Step by Step Solution
- Step 1: Write the proportion equation
829,781.98 : 1,244,157.50 = 349,762.82 : x - Step 2: Convert to fraction form
829,781.98/1,244,157.50 = 349,762.82/x - Step 3: Cross multiply
829,781.98x = 1,244,157.50 × 349,762.82 - Step 4: Simplify right side
829,781.98x = 435,160,035,724.15 - Step 5: Solve for x
x = 435,160,035,724.15/829,781.98 - Step 6: Final answer
x = 524,426.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.